A large number of security issues were discovered in the WebKitGTK+ Web andJavaScript engines. If a user were tricked into viewing a maliciouswebsite, a remote attacker could exploit a variety of issues related to webbrowser security, including cross-site scripting attacks, denial of serviceattacks, and arbitrary code execution.

Update instructions:

The problem can be corrected by updating your system to the followingpackage versions:

This update uses a new upstream release, which includes additional bugfixes. After a standard system update you need to restart any applicationsthat use WebKitGTK+, such as Epiphany, to make all the necessary changes.

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.04- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in VLC.

Software Description:- vlc: multimedia player and streamer

Details:

It was discovered that VLC incorrectly handled certain media files. If auser were tricked into opening a specially-crafted file, a remote attackercould use this issue to cause VLC to crash, resulting in a denial ofservice, or possibly execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the followingpackage versions:

Ubuntu 19.04: vlc 3.0.8-0ubuntu19.04.1

Ubuntu 18.04 LTS: vlc 3.0.8-0ubuntu18.04.1

In general, a standard system update will make all the necessary changes.